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    Add vector icons and popups in openlayers 3.11

    here's what I am working on: http://environmentalobservatory.net/Calumet/3scale.html It works great so far and now I want to put icons, or what we used to call "markers" on it. But I can't find any clear example of how to how to place simple static icons and generate popups using a geojson...
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    How to convert DSM to DTM in ArcGis 10.1/QGIS? [on hold]

    I'm learning to perform various tasks in GIS software (ArcGIS and QGIS). I have downloaded sample DSM data of drone mapper. What should I do to obtain Bare Earth surface either in QGIS or ArcGIS? أكثر...
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    Is it possible to add intermediate contour values automatically in QGIS? [on hold]

    We have to add intermediate contour values for 100's of elevation contour shp files. While searching for a solution, happened to see this. This ArcGIS CalcContour script will only work in ArcGIS 9.3 (as mentioned). So i couldn't even test this. The script will work like, we have to snap a point...
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    How to highlight a feature in wms map image

    For the following request, how would I produce an image highlighting a single feature? For example GMUID=84 Here is the base map image...
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    Can we prepare hillshade map in mapinfo discover?

    Is there a tool to perform hillshade as like ArcGIS? أكثر...
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    TypeError: unsupported operand type(s) for *: 'numpy.ndarray' and 'numpy.ndarray'

    I am trying to insert a value for different group of percentile eg (0- 10 percentitle) value = 1. I saw an example over here and went to try it out How do I Calculate Grouped Percentiles or Batch percentiles in ArcMap? However, i was thrown this error. I am using ArcGis 10.3.1 for desktop. and...
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    How to determine when Mapbox GL JS FlyTo has "arrived"

    I'd like to show an overlay when the Mapbox flyto camera movement has completed its action, and is in place at the correct position and zoom level. Is there a way to know when that action is complete? So, fly to a position and then show the overlay, basically. أكثر...
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    How to change the extent of a raster after converting its coordinates?

    I changed the coordinate system from Conical coordinates to lat/long UTM-39N. It's OK, but the new layer doesn't have appropriate extent, so it can't be plot on other layers.I exported the raster file with "dataframe extent and spatial references", but it doesn't work. Also, I used define...
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    Converting KML to TAB while maintaining the path to and name of embedded image

    I have a number of kml files that have images linked in them. When I try to convert them to tab using FME/UniversalTranslator/QGIS/GlobalMapper I get a tab file which has the spatial location of the points but the attribute table does not include the name of the image. How can I get this? a...
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    Return FeatureLayer in geoprocessing REST service

    I have created a Python Script Tool that returns a FeatureLayer using the following two lines of code: arcpy.MakeFeatureLayer_management(scratch_fc, "GeocodedZIPsLayer")arcpy.SetParameterAsText(1, "GeocodedZIPsLayer")This works as expected in ArcMap, and resulting POINT features are added to...
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    Finding model created using ArcGIS ModelBuilder?

    I made a model in the ModelBuilder (arcgis 10.2) and saved it. Unfortunately, not some place where I can find it again. However, if I want to save a new model (save as..),the old model is there in toolbox.tbx. Does anyone know how I can re-open my model again? ArcCatalog is not helping me so...
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    How to apply the 'Integrate' tool (data management) using arcpy

    I try to integrate two features (shapes) with their ranks using arcpy. -- arcpy.Integrate_management() -- I don't get a clue from the explanation/example in ArcGIS help. It's straight forward, however, to apply this tool from the graphical dialog. I would appreciate a working example having 2...
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    Finding crossing lines in ArcGIS Desktop?

    I have a network of lines (pipes) and I want to be able to show the difference between an intersecting line and a crossing line. I was wondering if there is a tool for generating points on all crossings in ArcGIS? If I use "Intersect" I can find all intersecting and crossing points. I only...
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    Setting map rotation in ArcGIS API for Javascript?

    I've created a web map using the ArcGIS Javascript API, but I need my map to have a fixed rotation of 1.76. The street grid of the map doesn't totally align with the cardinal directions, so it looks slightly off without the rotation. I've searched through the API reference, but haven't had...
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    Jack Dangermond keynote address at Esri India User Conference 2015

    Jack Dangermond keynote address at Esri India User Conference 2015 أكثر...
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    Free Customizable Maps of Africa for Download

    Over the past few years, I have created a number of customizable base maps that I subsequently used to make the original GeoCurrents thematic maps that have been posted on this site (which are themselves now searchable by country and by topic). These customizable base maps were initially created...
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    Postgis know if point is part of linestring

    I have a linestring and I want to know if a point is in it, I have tried ST_Intersects but it only works if the point is exactly as in the linestring. I want to find points which are in the linestring but are not defined in it. Any thoughts on this? أكثر...
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    Can I have two distinct workspaces with two different layers reference the same data

    Using geoserver 2.7.2 on Ubuntu 14.04 64 bit. I have a large image pyramid I'd like to use in two workspaces simultaneously. Do I have to create two separate "stacks" of folders, stores, and layers? or can I create two data stores (one for each workspace) that reference the same folder...
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    QGIS 2.10 Unable to add features to a memory layer

    I'm trying to add features to a memory layer. This is the layer creation : memlayer=QgsVectorLayer("{zr_typegeom}?crs=epsg:4326".format(zr_typegeom = typegeom), "memlayer", "memory") QgsMapLayerRegistry.instance().addMapLayer(memlayer, False) root =...
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    Mapbox Geocoding Custom UI

    I am building an interactive mapping web app and needed to bounce some ideas off of you all. I need some guidance on how I would go about bypassing Mapbox's addGeocoderControl and use a search box on a navbar instead? Below are the HTML/CSS/JS snippets. HTML...
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